... Size(CM)CO-420*30cm72191747*33*45Features: 1,surface is cork bulletin board;backside is hard corrugated board.2,plastic frame ... and corner.3,used for fixing message paper by cork nail.4,size: 20 x 30cm, but different sizes available5 ... kinds of mini blackboard,chalk board, whiteboard, writing & drawing boards,color clay,cork board and so on. Our company takes quality as ...